When Yingying woke up completely, she found herself lying in a strange place.

Her hands, feet and body were tied tightly to the bed, making her unable to move.

In addition, many instruments were connected to her body.

There was no door, no windows or other exits in the entire room, which made it look particularly depressing.

Surrounded by reinforced concrete walls, white tile floors, and several instruments making beeping sounds.

There is a huge white ...